Download Engineer-To-Engineer Note EE-19 a

Transcript
Memory Maps For 2 ADSP 2115 Systems (512 words of program memory)
ROM
Address
DSP
Address
0x0000 Boot Page 0
0x0800 Boot Page 1
0x1000 Boot Page 2
0x0000
0x1000 Boot Page 3
0x2000 Boot Page 4
0x2800 Boot Page 5
0x6000
0x3000 Boot Page 6
0x3800 Boot Page 7
0x4000
0xC000
0x4800
0x8800
0x9000
0x9800
0xA000
Boot
Boot
Boot
Boot
Boot
Page
Page
Page
Page
Page
0
1
2
3
4
0x0000 Boot Page 0
0x0000
0x2000 Boot Page 1
0x2000
0x4000 Boot Page 2
0x4000
0x6000 Boot Page 3
0x6000
0x8000 Boot Page 4
0x8000
0xA000 Boot Page 5
0xA000
0xC000 Boot Page 6
0xC000
0xE000 Boot Page 7
0xE000
0xFFFF
0xFFFF
0x2000
0x4000
0x8000
0xA000
0xE000
0xFFFF
0x0000
0x0800
Bank
0
External
Program/
Data
Memory
0x8000
DSP
Address
ROM
Address
0x3FFF
0x0000
0x2000
0x4000
0x6000
0x8000
0xA800 Boot Page 5
0xB000 Boot Page 6
0xB800 Boot Page 7
0xA000
0xC000
0x4000
0xC800
0x4800
0xC000
0xE000
Bank
1
External
Program/
Data
Memory
Figure 1: Memory Map - Highly Excellent Boot-Memory
0xFFFF
0x3FFF
Interface
Mapped into BM
Mapped into BM
Mapped into PM & DM
Unused
Unused
Figure 2: Memory Map - Basic Boot Memory Interface with 2048
byte boot-pages
EN-19
Page 5
Technical Notes on using Analog Devices’ DSP components and development tools
Phone: (800) ANALOG-D, FAX: (781) 461-3010, FTP: ftp.analog.com, EMAIL: [email protected]